sc1112a Semtech Corporation, sc1112a Datasheet - Page 14

• Manufacturer Part Number: sc1112a
• Description: Triple Low Dropout Regulator Controllers
• Manufacturer: Semtech Corporation

© 2001 Semtech Corp.
POWER MANAGEMENT
Typical Gain & Phase Margin
-10
-20
-30
-10
-20
-30
50
40
30
20
10
60
50
40
30
20
10
0
0
10
10
100
100
Phase
Phase
SC1112 Gain / Phase VTT = 1.25V @ 2A
SC1112 Gain / Phase ADJ = 1.2V @ 2A
1000
1000
Freq (Hz)
Freq (Hz)
Gain
10000
10000
Gain
100000
100000
Gain
Phase (deg)
Gain
Phase (deg)
1000000
1000000
200
180
160
140
120
100
80
60
40
20
0
200
180
160
140
120
100
80
60
40
20
0
14
-10
-20
-30
-10
-20
60
50
40
30
20
10
50
40
30
20
10
0
0
10
10
100
100
Phase
Phase
SC1112 Gain / Phase VTT = 1.5V @ 2A
SC1112 Gain / Phase AGP = 1.5V @ 2A
1000
1000
Freq (Hz)
Freq (Hz)
Gain
10000
10000
Gain
100000
100000
www.semtech.com
SC1112
Gain
Phase (deg)
Gain
Phase (deg)
1000000
1000000
200
180
160
140
120
100
80
60
40
20
0
200
180
160
140
120
100
80
60
40
20
0